<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>用户登录</title>
</head>
<body>
<form method="post" action="login.action">  
        用户名：<input type="text" name="user.username"><br>  
        密码：<input type="password" name="user.password"><br>          
        <input type="submit" value="登录"/>  
    </form>      
</body>
</html>